Only TRNC citizens and legal residents will be allowed into the TRNC by land, air or sea until April 1, the Council of Ministers announced late last night following a second emergency meeting on Friday.
The move, effective from Saturday, essentially shuts the crossings down completely to all foreign nationals, including Greek Cypriots.
TRNC citizens who do arrive in the north by land, sea or air, will be asked to isolate themselves for 14 days.
The latest measures were announced as part of seven steps the cabinet took at a meeting presided by President Mustafa Akıncı and which went on late into the night.
Other measures, include the shutting down of all public institutions and departments except for essential services such as police, fire, hospitals etc.
In the private sector, again only essential services such as petrol stations, bakeries, supermarkets and pharmacies will remain open.
All of these measures will remain in force until March 27.
The government also said that it would reassess the situation 48 hours later as to whether or not a state of emergency was necessary.
Authorities have also urged the public to avoid going out and to remain home unless absolutely necessary.
All cafes, social clubs, societies, associations, casinos, entertainment venues or mass religious ceremonies are also banned until April 1.
A decision has also been taken to transform Gazimağusa State Hospital into a quarantine centre.